/*
*  Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. licenses this file to you under the Apache License,
*  Version 2.0 (the "License"); you may not use this file except
*  in compliance with the License.
*  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.wso2.das.samples.geoip;

import com.maxmind.geoip.Country;
import com.maxmind.geoip.LookupService;

import java.io.File;
import java.io.IOException;

public class IPCountryNameUDF {

    public String toCountryName(String ip) {
        try {
            String dir = System.getProperty("user.dir");
            String dbfile = dir + File.separator + "samples" + File.separator + "httpd-logs" + File.separator + "resources"
                    + File.separator + "GeoIP.dat";
            LookupService cl = new LookupService(dbfile, 1);
            Country country = cl.getCountry(ip);
            String countryName = country.getName();
            cl.close();
            return countryName;
        } catch (IOException exception) {
            exception.printStackTrace();
            return null;
        }
    }
}
